ccna pdf dump

ccna pdf dump

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Management and security configuration of mailbox system The Ident protocol allows (rfc1413) to see the user name of the owner of any process connected via TCP , even if the connection was not started by this process. For example, connect to the HTTP port, and then use Identd to find out whether the server is running with root privileges. This approach can only target port and establish a complete TCP after a connection to see. PIX firewall Operational safety refers to the continuous and normal operation of the protection system. To close this malicious sharing, first go to HKEY_LOCAL_MACHINE\Software\Microsoft\Windows 1.4.1 Human negligence 3) land attack (1) What is a pipe and what function does it have? (7) HTTP options : HTTP options, here the default is fine. 2. Adaptive chosen-plaintext attack (Adaptive-Chosen-Plaintext Attack) CGI programs are the main source of Web security vulnerabilities, and their security vulnerabilities are manifested in the following aspects: By regularly switching to new keys at the source and destination ends of the communication network at the same time , the confidentiality of data can be further improved. This is the current popular practice in financial transaction networks. 3) Scanner function (2) Online merchants: In online electronic stores that meet SET specifications, providing goods or services must be a company organization that has the conditions for the use of corresponding electronic money and engages in commercial transactions. (1) Master the principles and attack methods of Trojan horses. After the data frame is received into the buffer of the network card, the first 14 bytes of data read into the memory are the source address and destination Random address 80 ports having a length of transmission . 3 818 -byte data packet transmission of the virus. After the completion of the work virus system under the system directory Cmd.exe files are copied to the system root directory \ inetpub \ scripts and system root directory Guest weight To ensure information security, the most fundamental thing is to ensure that the basic features of information security play a role. Therefore, the following first introduces the five major characteristics of information security . If it is overwritten, then the machine will not be able to start, only rewrite the Flash BIOS . Flash BIOS is present in many types of type of Pentium machines, such as Intel 430TX , in most machines Flash BIOS via a jumper protection, under normal circumstances,ccna pdf dump, the protection is turned off. (3) The third type: spread through the disk, it creates a special thread to infect the disk, if the current date is 13 in a single month It is generally believed that the authentication, authorization and management (AAA) system is a very large security system, mainly used by large network operators. In fact, the company's intranet also needs a powerful AAA system. According to IDC 's report, the unit inside the AAA system is the network security applications fastest growing segment. The trusted computing base of the computer information system provides processes and mechanisms to ensure that the computer information system can be restored without damaging any security protection performance after the computer information system fails or is interrupted. The first 6 chapters network viruses and Prevention The first 9 chapters security of e-commerce When encrypting information m , first divide m into equal-length data blocks m 1 , m 2 , ..., m i , block length s , where 2 s ≤ n , s SET is a credit card-based payment agreement for transactions on the Internet. It is a standard for the transmission of authorized business information . It uses the RSA cryptographic algorithm, uses a public key system to authenticate both parties in communication, and uses standards such as DES 2. Classification of denial of service attacks (2) Understand the configuration and usage of "Glacier". This Trojan horse is very simple. They only do one thing, which is to record the victim's keyboard strokes and look up the password in the LOG file. According to the author's experience, this kind of Trojan horse starts when Windows starts. It they have such options online and offline records, as the name implies, they were recorded keystrokes when typing on the keyboard at your online and offline. In other words, the person who has pressed the Trojan will know what key has been pressed. From these keys, he will easily get your password and other useful information, even your credit card account! Of course, for this type of Trojan, e-mail sent transmission function is also essential.

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Latest Cisco CCNA 200-301 Dumps

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